Crystal Units NX3215SA For OA / AV / Mobile Communications ■ Features Compact, thin, and light weight tuning fork crystal unit. ● Excellent heat resistance and environmental characteristics. ● Excellent electric performance optimum for mobile communications, OA (office automation) and AV (audiovisual) applications are exhibited. ● RoHS compliant. These can meet the requirements of re-flow profiling using leadfree solder. ● Use a metal lid: Excellent shock resistance during chip mounting process comparing to a glass lid. ■ Specifications Model Item Nominal frequency NX3215SA 32.768kHz Operating temperature range (°C) −40 to +85°C Storage temperature range (°C) −40 to +85°C Level of drive 0.1µW (0.5µW Max.) Frequency tolerance (25 ±3 °C) ±20 × 10−6 Turning point +25°C ± 5°C Temperature coefficient −0.04 × 10−6/°C2 Max. Load capacitance 6.0pF, 9.0pF, 12.5pF Equivalent series resistance 70kΩ Max. Shunt capacitance 1.0pF typ./ 1.5pF Max. Insulation resistance 500MΩ Min. ■ List of Ordering Codes Load capacitance Ordering Code 6.0pF 9.0pF 12.5pF NX3215SA-32.768K-STD-MUA-14 NX3215SA-32.768K-STD-MUA-9 NX3215SA-32.768K-STD-MUA-8 ■ Dimensions mm Terminal land connections (TOP VIEW) 1.5±0.1 3.2±0.1 #2 0.8±0.1 #1 Land pattern (Typical) 1.0 1.5 1.0 1.8 1.3 0.75 #2 #1 1.7 3.5 cu54_120201_NX3215SA_e